The image above shows the Aura spacecraft at liftoff. Aura was launched successfully on July 15, 2004 from Vandenberg Air Force Base, California.
Welcome to the EOS Aura Data Support Web Site at the NASA Goddard Earth Sciences Distributed Active Archive Center (GES DAAC).
Aura is the EOS chemistry mission which aims to answer three important questions: is the ozone layer recovering, is air quality getting worse, and is the Earth's climate changing? Aura will continue the long term series of atmospheric chemistry measurements made by earlier missions.
The Aura spacecraft operates in a 705 km sun-synchronous polar orbit, with an ascending equator crossing at 1:45 PM. The satellite carries four state-of-the-art instruments: the High Resolution Dynamics Limb Sounder (HIRDLS), the Microwave Limb Sounder (MLS), the Ozone Monitoring Instrument (OMI), and the Tropospheric Emission Spectrometer (TES). Data from HIRDLS, MLS and OMI will be available from the GES DAAC, whereas data from the TES instrument will be available from another DAAC located at NASA Langley Research Center's Atmospheric Sciences Data Center (ASDC).
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